Home / 313,726.08-432,993.60-229,123.20

Finding the Fourth Proportional to 313,726.08, 432,993.60 and 229,123.20

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Solution

The fourth proportional to 313,726.08, 432,993.60 and 229,123.20 is: 316,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,726.08 : 432,993.60 = 229,123.20 : x
  2. Step 2: Convert to fraction form
    313,726.08/432,993.60 = 229,123.20/x
  3. Step 3: Cross multiply
    313,726.08x = 432,993.60 × 229,123.20
  4. Step 4: Simplify right side
    313,726.08x = 99,208,879,211.52
  5. Step 5: Solve for x
    x = 99,208,879,211.52/313,726.08
  6. Step 6: Final answer
    x = 316,227.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.